** Description changed:
In the interest of improving release upgrades for users of PPAs a check
was added to ubuntu-release-upgrader to see if the release to which the
system is being upgraded is provided by a sources list entry and if it
is not that entry is disabled. This check uses the function
url_downloadable which is provided by update-manager's utils.py. Come to
find out the url_downloadable check only supports ftp and http, not
https. This can cause a situation where upgrades to the next release of
Ubuntu fail if the system's mirror of the Ubuntu archive is using https.
This is mentioned here - https://bugs.launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/+bug/1807043/comments/10.
While the bug manifests itself in ubuntu-release-upgrader it needs
- fixing in update-manager.
+ fixing in update-manager and will require a rebuild of ubuntu-release-
+ upgrader which has a symlink to utils.py which is shipped in the dist-
+ upgrader tarball.
** Also affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: New => In Progress
** Changed in: ubuntu-release-upgrader (Ubuntu)
Assignee: (unassigned) => Brian Murray (brian-murray)
** Changed in: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided => High
** Changed in: ubuntu-release-upgrader (Ubuntu Bionic)
Status: New => Triaged
** Changed in: ubuntu-release-upgrader (Ubuntu Cosmic)
Status: New => Triaged
** Changed in: ubuntu-release-upgrader (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: ubuntu-release-upgrader (Ubuntu Cosmic)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1823410
Title:
utils.py's url_downloadable doesn't support https
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